XQL Help - Count array values

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XQL Help - Count array values

L0 Member

Hello,

XQL beginner here, after 1 hour of tryhard with the cheap xql palo alto documentation. Finally got what I want but I feel like I've done it the wrong wa

 

Context 

  • I have a BIOC rule monitoring for read on multiple folders that can contains identical files.

Target

  • The list of the top file that have been read

Example 

  • Monitored file path 
    • C:\users\jhon\
    • C:\users\doe\
  • Example file opened
    • C:\users\jhon\test.txt
    • C:\users\doe\test.txt
    • C:\users\doe\also_test.txt

Desired output

File Hits
test.txt 2
also_test.txt 1


My take 

dataset = alerts 
| filter rule_id = "whatever"
| fields file_name
| alter file = arraystring(arraydistinct(file_name),",")
| comp count(file_name) as hits by file


Any suggestions ?

1 accepted solution

Accepted Solutions

L2 Linker

hi @MatthieuFouet 

 

I hope i got the use correctly, and based on my understadning, you may try the below query 


dataset = alerts
| fields rule_id , file_name , file_sha256
| arrayexpand file_name
| comp count(file_name ) as Hits by file_name
| sort desc Hits

Sample output should look like the below 

zarnous_0-1706796223324.png

You may also add more fields, and filters as you wish if you need so!

If this answers your question feel free to mark it as a solution so other can benefit from!

Thanks
Z

Z

View solution in original post

1 REPLY 1

L2 Linker

hi @MatthieuFouet 

 

I hope i got the use correctly, and based on my understadning, you may try the below query 


dataset = alerts
| fields rule_id , file_name , file_sha256
| arrayexpand file_name
| comp count(file_name ) as Hits by file_name
| sort desc Hits

Sample output should look like the below 

zarnous_0-1706796223324.png

You may also add more fields, and filters as you wish if you need so!

If this answers your question feel free to mark it as a solution so other can benefit from!

Thanks
Z

Z
  • 1 accepted solution
  • 286 Views
  • 1 replies
  • 0 Likes
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